.activity {
  display: block !important;
}
input[type="text"] {
  border: 2px solid rgba(128, 128, 128, 1);
  border-radius: 2px;
}
.job .dle {
  position: absolute !important;
  bottom: 50px;
  right: 20px;
}
.checkbox {
  width: 60px;
}
textarea {
  padding-left: 10px;
  position: relative;
  bottom: -20px;
  resize: none;
  width: 500px;
  height: 40px;
  margin-left: 20px;
  line-height: 20px;
  border: 2px solid black;
  border-radius: 4px;
}
.job {
  position: relative;
  box-sizing: border-box;
  border: 1px solid rgb(128, 128, 128);
  border-radius: 9px;
  height: 100px;
  width: 800px;
  margin: 0 auto;
  margin-top: 50px;
  padding: 10px 20px;
}

.job_options {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}
.job_options div {
  margin: 15px 66px;
  margin-top: 30px;
  display: flex;
  vertical-align: middle;
}
.job > span {
  margin-left: 20px;
}
.border {
  box-shadow: 4px 4px 20px rgba(0, 0, 0, 0.5);
  border-radius: 40px;
}
.container {
  background-color: #fff;
  width: 980px;
  margin-top: 50px;
}
.homework_title {
  /* width: 90%; */
  font-weight: 600;
  /* margin-left: 40px; */
  margin-top: 30px;
  text-align: center;
  border: 0;
  outline: none;
  font-size: 40px;
  border: 0 !important;
  border-bottom: 1px solid black !important;
  /* text-decoration:underline */
}
.questions {
  width: 500px;
  border: 1px solid black;
  margin: 50px 0;
}
.questions_title {
  width: 500px;
  height: 45px;
  font-size: 30px;
  margin-left: 10px;
  border: 2px solid black;
  border-radius: 2px;
}
.question_types div {
  display: inline-block;
  border: 1px solid black;
}
.center {
  position: relative;
  left: 50%;
  transform: translateX(-50%);
}

* {
  margin: 0;
  padding: 0;
}

ul li {
  list-style: none;
}

main {
  width: 960px;
  height: 350px;
  border-radius: 10px;
  margin: 50px auto;
}

main h4 {
  height: 100px;
  line-height: 100px;
  text-align: center;
}
/* main{
    position: relative;
    bottom: -60px;
} */

.option > div > input[type="text"] {
  /* margin-left: 60px; */
  width: 50px;
}

.option {
  margin-top: 30px;
  display: flex;
  justify-content: space-evenly;
}

.options {
  margin-top: 30px;
}

.options input {
  margin-left: 10px;
}

.tabsbox {
  width: 900px;
  margin: 0 auto;
  height: 200px;
  border: 1px solid rgb(128, 128, 128);
  border-radius: 4px;
  position: relative;
}

nav ul {
  overflow: hidden;
}

nav ul li {
  float: left;
  width: 100px;
  height: 50px;
  top: -1px;
  line-height: 50px;
  text-align: center;
  border-right: 1px solid #ccc;
  position: relative;
}

/* nav ul li */
.liactive {
  border-bottom: 2px solid #fff;
  z-index: 99;
}

/* #tab input {
    width: 80%;
    height: 60%;
} */

nav ul li span:last-child {
  position: absolute;
  user-select: none;
  font-size: 12px;
  top: -18px;
  right: 0;
  display: inline-block;
  height: 20px;
}

.tabadd {
  position: absolute;
  width: 100px;
  top: 40px;
  right: 20px;
}

.tabadd button {
  height: 30px;
  line-height: 20px;
}

.tabscon {
  width: 100%;
  /* height: 300px; */
  position: absolute;
  padding: 30px;
  top: 50px;
  left: 0px;
  box-sizing: border-box;
  border-top: 1px solid #ccc;
}

.tabscon section,
.tabscon section.conactive {
  position: relative;
  display: none;
  width: 100%;
  height: 100%;
}

.tabscon section.conactive {
  display: none;
}
.container button {
  position: absolute;
  right: 0px;
  bottom: 0px;
  float: right;
}
input[type="checkbox"] {
  position: relative;
  top: 40%;
  left: 0%;
  transform: translate(-50%, -50%);
}
.file input[type="file"] {
  position: relative;
  top: 20px;
  left: 30px;
}
